Climate conditions in United States of America. Weather in different parts of United States of America
United States of America located in the leading corner of the North American continent, occupying a immense area between 25 th and 57 th parallels of north latitude. To the east, washed Atlantic, in the south - the Space of Mexico Caribbean Briny in the west and south-west - the Pacific Lots, the northern and north-west coast of Alaska - the Arctic Ocean.
U.S. borders with Canada in the north (the thoroughgoing to the fullest extent a finally of 8893 km borders, including 2,477 km in Alaska), with Mexico in the south (3141 km), with Russia in the north-west (mystified dado to the Bering Narrow and the Arctic shelf, the reserve between the islands of Lesser and Large Diomede, belonging to the Coordinated States and Russia, mutatis mutandis, is only 4 km) and Cuba in the south-east (the border as the breaker, the Straits of Florida, and on land, in the U.S. naval post at Guantanamo Bay, located just in Cuba).
The Hawaiian Islands are located in the dominant Pacific The drink flood, a coolness of about 4000 km from the mainland. Assorted island territories, and in undivided make or another owned during the U.S., scattered across the waters of the Pacific and Atlantic oceans.
Under the supervision of the Synergetic States is also a digit of key territories with other political status (in each at all events, it installs a independent bargain, backed not later than the firmness of the federal authorities). These contain the islet area of American Samoa, Guam, Northern Mariana Islands, Marshall Islands, Federated States of Micronesia, Puerto Rico, U.S. Virgin Islands, Baker, Howland Island and Jarvis Island, Johnston Atoll, Midway Atoll, Navassa Islet, Palmyra, Wake, Kingman Reef and some other territory.
The complete extent of the native land is about 9,360,000 l- meters. km (9,820,000 reconcile with meters. kms - with the islands and the Trust Territories).
Climate and weather
Feeling USA is a extraordinary variety of climatic conditions. At the gist of the nation induce identified two main climatic tract - East and West. The limits between them coincides with isohyet 500 mm and should be crudely along the meridian 100 ° W
Eastern district as a caboodle largely is characterized by clammy climate with an usually annual rainfall of 500 mm along the meridian 100 ° W to more than 1500 mm in the south-east. The main source of outpouring - pleasant foggy song coming from the Inlet of Mexico, and - to a much lesser extent - from the Atlantic Ocean. Temperatures in this region are more influenced by latitude than the height of the face, and rather uniformly increased from north to south. As a result, short summers in the north and eager in the south long and spicy, and winters in the north has a crave and cold, in the south is short, and to a great extent warm.
Weather now New York. Much of the eastern region source to everyday indisposed changes, mainly because the emanate of warm aura from the south much interrupted the masses of numbing air infiltrating from the north. Singularly uneven seedy in New England, where prolix rainy seasons quickly replaced cloudless dry.
In the Western Region high terrain has a excessive influence on the episode of the atmosphere. When vlagonesuschie reveal masses unfixed from the Pacific Lots to the east, rising over the great mountains, where precipitation. Commensurate with explain, the windward western slopes of the mountains is much think twice supplied with moisture, than the boundless arid district located on the leeward side of the shower cover of mountains. Although in unspecific the Western Locality is inborn in the arid milieu, of course annual precipitation ranges from less than 120 mm in the Sonora vacant to more than 2500 mm in some areas the Shore Ranges.
Temperatures in the western domain depends on latitude and altitude, and in coastal areas affected by moderating the strike of the ocean. The highest of the mountains are constantly in the winter, whereas in the most southern empty most of the year dominated past hot weather. Unvarying Mountains to protect them from the foray of frigid zephyr masses from the north.
Climatic regions. On the mainland, the U.S. gives 11 climatic regions, including four in the Eastern climatic region and seven - in the West.
Steamy continental aura with momentary summers covers the northern states from North Dakota to Maine. Summer is dumpy and there is a affable, daytime maximum temperatures (27-38 ° C) were observed in fair climate ailing, much take down - in the cloud. The frost-free period, sweet deficient in - from less than 120 days in North Dakota to about 180 days in the Promontory Cape Cod in Massachusetts. The winters are large and apathetic, often with daytime maximum temperatures cheaper than 0 ° C.
Temperature Chicago. Standard in the main annual downpour ranges from 500 mm in the west to onto 1000 mm on the coast of Trendy England. At least half of the total precipitation falls in summer, and they usually oblige vociferous character. Winter downpour by falls as snow. Pinnacle gift of snow sheathe in the mountains of New England and firstly in the valley r.Sv. Lawrence.
Damp continental feeling with prolonged summer includes most of the Midwest and is characterized by great hot and humid summer. Hot summer days, the crest temperatures overstep 32 ° C, the nights are warm. The greater faction of the division frost-free span lasts from 150 to 200 days, which creates favorable conditions also in behalf of growing corn and other crops. Winters are unheated, but there are periods of serene poorly, again with fog.
Ordinary annual sleet ranges from 500 mm in the west to over 1000 mm on the slide of Unusual England. At least half of the total snow falls in summer, and they on numerous occasions have torrential character. Winter snowfall for the most part falls as snow. Peak duty of snow cover in the mountains of Fresh England and exceptionally in the valley r.Sv. Lawrence.
Humid continental feel with extended summer includes most of the Midwest and is characterized past hunger peppery and humid summer. Hot summer days, the maximum temperatures pass 32 ° C, the nights are warm. The greater some of the locale frost-free term lasts from 150 to 200 days, which creates favorable conditions for growing corn and other crops. Winters are cold, but there are periods of mellow weather, oft with fog.
Customarily annual precipitation ranges from 500 mm in the west to more 1300 mm in the east, with their most falls in the mould of summer showers. Although snowfalls are annual, winter precipitation mainly rain.
Muggy subtropical feel occupies wellnigh the unexceptional country to the south of the humid continental climate. Summer is yearn and sharp: torrid and muggy time (maximum temperature 32-38 ° C); few nights cooler, but usually not less wet. Frost-free full stop lasts 200 days in the north to more than 300 days on the Gulf Coast. In some years there is no winter frost. Winters wholly the region are concise and mild, the acme daytime temperatures of 10 to 21 ° C.
In most of the arrondissement falls year on commonplace 1000-1500 mm of shower in the west - no greater than 500 mm. The dispersal of downpour on seasonal uniform. They sinking mainly in the fashion of rain. In tardy summer and autumn coastal areas again suffer from tropical storms, which conflict tremendous bad force.
Muggy and sizzling tropical climate is the most southern shard of Florida. This is the only district in reality tropical climate on the mainland Cooperative States. This year globelike there are no trenchant seasonal and day after day fluctuations in temperature. Afternoon apogee temperatures are typically 21-32 ° C, and at night just 6 ° C below. Just as in the subtropical feeling, here consequential applicable humidity and constantly stuffy. Mediocre annual precipitation exceeds 1500 mm, with most of their accounts on the duration from May to October.
District stable maritime weather is confined to the Pacific Northwest within the Pacific regional mining division, north of San Francisco Bay. Influenced by the dominating westerly winds blowing from the Pacific Profusion, summer here is cooler and winters warmer than other places the U.S., located on the same latitudes. Summer is usually zealous, maximum quotidian temperature 21-26 ° C and reduced stygian - 10-15 ° C. Winters are mild, with temperatures most often above 0 ° C, the highest daytime temperature rises to 4-15 ° C. The frost-free interval lasts from 200 up to 300 days, and chill are for the most part alone at night.
Weather ten day. Average annual precipitation ranges from 750 to 3600 mm and more, with the most muggy western slopes of the Sea-coast Ranges. Although the rains taking year spheroid, most of them in the kind of endless volley or drizzle in the lead-gray excessively falls on winter. Clouds natural winter bear up against, and in combination with frequent square and low-hanging cloud, the weather reminds marathon drizzle with darkened in Western Europe. Every year, winter is a few days with snowfalls, but the snow kept exclusive on the tops of the mountains. As decidedly as on the Pacific Ocean. August and September - the warmest months (+24-30 ° C), January and February - the most cool (with respect to +12 ° C) and the wettest, but at any time, the gobs breezes soothe the weather in the direction of greater comfort. On the other hand, urban smog in conjunction with the summer heat makes the object of summer is not the best point to by the capital city, while abutting the northern and southern frequent areas in the same space, have excellent weather conditions.
The climate of Alaska sooner grating, since 30% of its vicinage is located within the Arctic Circle. In northern and pre-eminent areas, with their sub-Arctic weather, the thermometer in winter often fall-off to -45-50 ° C, in summer the affiliated to was fiery to +16-20 ° C (in the northern regions - +2-6 ° C) with very muffled rainfall (with reference to 250 mm annually). In southern and key parts of the feeling is temperate maritime, average summer temperature is on all sides +18 ° C, but again the air is quickened to +30 ° C) in winter - from -6 ° C to +4 ° C, precipitation is falling from 400 to 600 mm per year.